The Norfolk and Norwich University Hospital (NNUH) is currently working to identify individuals whose data was breached in the attack by cyber-criminal group Qilin.

It is believed tens of thousands of patients’ information were swiped in the hack on Synnovis – a third-party testing provider used by the NHS.

Synnovis tests blood, tissue and other samples, and performs laboratory diagnostics for hospitals and GPs.

Crime group Qilin uploaded the stolen data onto the darknet, an area of the internet often used by criminals.

Chris Cobb, NNUH acting executive managing director, said: "We have been notified by Synnovis that data linked........

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